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Heining Cham; Hyunjung Lee; Igor Migunov – Asia Pacific Education Review, 2024
The randomized control trial (RCT) is the primary experimental design in education research due to its strong internal validity for causal inference. However, in situations where RCTs are not feasible or ethical, quasi-experiments are alternatives to establish causal inference. This paper serves as an introduction to several quasi-experimental…
Descriptors: Causal Models, Educational Research, Quasiexperimental Design, Research Design
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What Works Clearinghouse, 2018
Underlying all What Works Clearinghouse (WWC) products are WWC Study Review Guides, which are intended for use by WWC certified reviewers to assess studies against the WWC evidence standards. As part of an ongoing effort to increase transparency, promote collaboration, and encourage widespread use of the WWC standards, the Institute of Education…
Descriptors: Guides, Research Design, Research Methodology, Program Evaluation
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Kassab, Omar; Mutz, Rüdiger; Daniel, Hans-Dieter – Research Evaluation, 2020
With the growing complexity of societal and scientific problems, research centers have emerged to facilitate the conduct of research beyond disciplinary and institutional boundaries. While they have become firmly established in the global university landscape, research centers raise some critical questions for research evaluation. Existing…
Descriptors: Statistical Analysis, Research and Development Centers, Evaluation Methods, Quasiexperimental Design
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Byers, Terry; Hartnell-Young, Elizabeth; Imms, Wesley – British Journal of Educational Technology, 2018
This study explored the effect of different classroom spatial layouts on student perceptions of digital technology in a secondary schooling environment. A quasi-experimental approach facilitated by a Single Subject research design (SSRD) isolated the impact of two learning spaces--"traditional classrooms," and "new generation…
Descriptors: Classroom Design, Classroom Environment, Space Utilization, Student Attitudes
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Kim, Kyung; Clariana, Roy B. – Educational Technology Research and Development, 2017
This quasi-experimental investigation describes the influence of text signals on second language expository science text comprehension. In two course sections, mixed proficiency Korean English language learners (n = 88) read one of two print-based English expository text passage versions. Participants in one section (n = 44) were given a version…
Descriptors: Quasiexperimental Design, Pretests Posttests, Instructional Design, Statistical Analysis
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Jose, Paul E. – Educational Psychologist, 2016
Many of the mediation analyses reported in the literature are based on concurrent or single-occasion data sets. The 2 overarching themes of the present article are: Results of concurrent mediations are inherently ambiguous, and researchers would be wise to conduct mediations on longitudinal data sets instead. An example included here demonstrates…
Descriptors: Longitudinal Studies, Statistical Analysis, Models, Educational Psychology
Timothy Lycurgus; Ben B. Hansen; Mark White – Grantee Submission, 2022
We present an aggregation scheme that increases power in randomized controlled trials and quasi-experiments when the intervention possesses a robust and well-articulated theory of change. Intervention studies using longitudinal data often include multiple observations on individuals, some of which may be more likely to manifest a treatment effect…
Descriptors: Statistical Analysis, Randomized Controlled Trials, Quasiexperimental Design, Intervention
Tang, Yun – ProQuest LLC, 2018
Propensity and prognostic score methods are two statistical techniques used to correct for the selection bias in nonexperimental studies. Recently, the joint use of propensity and prognostic scores (i.e., two-score methods) has been proposed to improve the performance of adjustments using propensity or prognostic scores alone for bias reduction.…
Descriptors: Statistical Analysis, Probability, Bias, Program Evaluation
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Kösa, Temel; Karakus, Fatih – European Journal of Engineering Education, 2018
The purpose of this study was to determine the influence of computer-aided design (CAD) software-based instruction on the spatial visualisation skills of freshman engineering students in a computer-aided engineering drawing course. A quasi-experimental design was applied, using the Purdue Spatial Visualization Test-Visualization of Rotations…
Descriptors: Visualization, Spatial Ability, Computer Assisted Design, Courseware
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Leite, Walter L.; Aydin, Burak; Gurel, Sungur – Journal of Experimental Education, 2019
This Monte Carlo simulation study compares methods to estimate the effects of programs with multiple versions when assignment of individuals to program version is not random. These methods use generalized propensity scores, which are predicted probabilities of receiving a particular level of the treatment conditional on covariates, to remove…
Descriptors: Probability, Weighted Scores, Monte Carlo Methods, Statistical Bias
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Abu, Nese Kutlu; Gökdere, Murat – Universal Journal of Educational Research, 2018
The purpose of this study is to examine whether the Grid Model practices affect students' motivation for self-regulation. In the study, quasi-experimental research design with pre-test/post-test control group was used. This study was conducted with a total of 74 students from 4th grade students in different primary schools in Amasya. Motivated…
Descriptors: Individualized Instruction, Student Motivation, Science Curriculum, Self Management
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Schönfelder, Mona L.; Bogner, Franz X. – Environmental Education Research, 2018
The current loss of biodiversity requires efforts to increase awareness of pollinator conservation. An important tool is education which often uses the honeybee ("Apis mellifera") as an exemplary organism to reach this goal. Any successful module needs to focus on reducing the perceived danger associated with fear, in order to support…
Descriptors: Sustainability, Plants (Botany), Biodiversity, Environmental Education
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Kramer, Maxwell; Olson, Dalay; Walker, J. D. – CBE - Life Sciences Education, 2018
Explicit emphasis on teaching science process skills leads to both gains in the skills themselves and, strikingly, deeper understanding of content. Here, we created and tested a series of online, interactive tutorials with the goal of helping undergraduate students develop science process skills. We designed the tutorials in accordance with…
Descriptors: Design, Tutorial Programs, Science Process Skills, Science Instruction
Russell-Smith, Saundra – ProQuest LLC, 2018
African-American boys who receive exclusionary discipline (i.e. in- or out-of-school suspensions) are overrepresented at the elementary (kindergarten through fifth grade) level. Although African-American boys comprised only 15% of the population of this school, they accounted for 70% of the exclusionary discipline incidents. This…
Descriptors: African American Students, Males, Elementary School Students, Quasiexperimental Design
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Zientek, Linda; Nimon, Kim; Hammack-Brown, Bryn – European Journal of Training and Development, 2016
Purpose: Among the gold standards in human resource development (HRD) research are studies that test theoretically developed hypotheses and use experimental designs. A somewhat typical experimental design would involve collecting pretest and posttest data on individuals assigned to a control or experimental group. Data from such a design that…
Descriptors: Data Analysis, Pretests Posttests, Control Groups, Labor Force Development
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